package io;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class FISDemo {
    public static void main(String[] args) throws IOException {
//        File file=new File("book.txt");
//        FileInputStream input=new FileInputStream(file);
//        int a=input.read();
//        String A=new String(a, StandardCharsets.UTF_8);
//        input.close();
    }
}
